Psychology Final; Sleep and Sleep Docu

Circadian Rythem

a biological process that systematically varies over the course of 24 hours each day

What does the circadian rhythm manage?

temperature, sleep, blood pressure

suprachiamatic nucleus

a cluster of neurons in the hypothalamus that governs the timing of the circadian rhythm

Hans Berger’s electorncephalogram

measures electrical activity in the brain

What are the two stages of wakefulness?

awake & alert, drowsy & sleepy

1N REM

alpha & theta waves, very light sleep

2N REM

Theta waves, K complex, light sleep

3N REM

Theta waves & delta waves< slowed rhythmic breathing, deepest level of sleep

4N REM

Delta wave, sleep activity, deep sleep

5N REM

Beta & alpha waves, dreams, rapid eyemovement

K comlex

A sudden spike in brain activity seen in EEG

Restoration hypothesis

we sleep to restore ourselves

Why do we sleep?

hormonal rebalancing, memory consolidation, removal of free radical

Adaptive or evolutionary theroy

we sleep because there are more dangers when it is dark and sleeping helps us to survive

What are Medical effects of sleep deprivation?

diabetes, obesity, overeating (leptin), heart disease

What are the behavioral effects of sleep deprevation?

mood instability, dcreased cog function, reaction times are slower

Activation synthesis or continuous activation

dreams are meaningless biproducts of the brain

Freudian view

dreams are meaningful messages from the unconscious

What is the difference between manifest v.s Latent?

Manifest is symbolic images and latent is hidden messages

what are some types of dreams?

Day, lucid , recurring , progressive , prophetic , mutual, nightmares, night terrors

how do we remember dreams?

we only remember if they are stored in the hippocampus

Examples of parasommnias (abnormal sleep behaviors)

Walking talking, sleep eating/driving/swimming, sleep sex/rape/homocide

Examples of sleep disorders

chronic partial sleep deprivation, micro sleeping, narcolepsy, insomnia

hypersomnia spectrum

oversleeping/sleeping to much

kline levin

sleeping beauty syndrome can sleep for multiple days or months

how do you get good sleep?

exercise, sleep schedule, relax

What are the benifits of good sleep?

improves; immune system and cognative function